Desa CB36N User manual

VENTED GAS FIREPLACE
INSTALLATION AND OWNER’S OPERATION MANUAL
4" B-VENT DECORATIVE GAS FIREPLACES
MODELS
(V)CB36N(E) AND (V)CB36P(E)
WARNING: If the information in this manual is not
followed exactly, a re or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other ammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re
department.
— Installation and service must be performed by a quali-
ed installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com

www.desatech.com 117437-01D2
WARNING: Improper
installation, adjustment,
alteration, service or
maintenance can cause
injury or property dam-
age. Refer to this manual
for correct installation
and operational proce-
dures. For assistance or
additional information
consult a qualified in-
staller, service agency or
the gas supplier.
This appliance may be in-
stalled in an aftermarket,*
permanently located,
manufactured (mobile)
home, where not prohib-
ited by local codes.
This appliance is only for
use with the type of gas
indicated on the rating
plate. This appliance is
not convertible for use
with other gases.
* Aftermarket: Completion of sale, not for
purpose of resale, from the manufacturer
WARNING: This product
contains and/or generates
chemicals known to the State
of California to cause cancer or
birth defects or other reproduc-
tive harm.
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, op-
erate or service this replace.
Improper use of this replace
can cause serious injury or death
from burns, fire, explosion,
electrical shock and carbon
monoxide poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
SAFETy
TABLE OF CONTENTS
Safety .................................................................. 2
........................................... 4
Local Codes......................................................... 4
Product Features................................................. 5
Pre-Installation Preparation................................. 5
Installation Precautions ....................................... 9
Venting Installation .............................................. 9
Installing Optional Controls................................ 12
Fireplace Installation.......................................... 15
Operating Fireplace........................................... 20
Inspecting Burners............................................. 23
Cleaning and Maintenance................................ 24
 .................................................... 25
Service Hints ..................................................... 25
Technical Services............................................. 25
Troubleshooting................................................. 26
Replacement Parts............................................ 31
Accessories ....................................................... 31
Parts .................................................................. 32
Warranty ..............................................Back Cover
State of Massachusetts:
The installation must
be made by a licensed
plumber or gas tter in
the Commonwealth of
Massachusetts.

www.desatech.com
117437-01D 3
Due to high temperatures, the
appliance should be located out
of trafc and away from furniture
and draperies.
Do not place clothing or other
ammable material on or near
the appliance. Never place any
objects on or around replace.
Fireplace reaches high tempera-
tures. Keep children and adults
away from hot surface to avoid
burns or clothing ignition. Fire-
place will remain hot for a time
after shutdown. Allow surfaces
to cool before touching.
Do not operate replace with
glass door removed, cracked
or broken.
Carefully supervise young chil-
dren when they are in the room
with the replace.
Keep the appliance area clear
and free from combustible ma-
terials, gasoline and other am-
mable vapors and liquids.
This product is intended only
as a supplement to your central
heating system and is not to be
installed as a primary source of
heat. You may use this product
for emergency heating during a
power outage.
1. This appliance is only for use with the type
of gas indicated on the rating plate. This
appliance is not convertible for use with

2. Do not place propane/LP supply tank(s)
inside any structure. Locate propane/LP
supply tank(s) outdoors (propane/LP
units only).
SAFETy
Continued

will not produce any gas leakage into your home
      
-
vice person. If this unit is not properly installed

monoxide leakage (spillage) can occur.
Carbon Monoxide Poisoning: Early signs of

 
       
working properly. Get fresh air at once! Have
-
fected by carbon monoxide than others. These

-
ence of alcohol and those at high altitudes.
Natural and Propane/LP Gas: Natural and
propane/LP gases are odorless.An odor-mak-
ing agent is added to these gases. The odor
       
odor added to the gas can fade. Gas may be
present even though no odor exists.
Make certain you read and understand all
warnings. Keep this manual for reference. It
is your guide to safe and proper operation of
this heater.
WARNING: Any change to
this replace or its controls can
be dangerous.
WARNING: Do not use a blow-
er insert, heat exchanger insert
or other accessory not approved
for use with this replace.
WARNING: Do not allow fans
to blow directly into the replace.
Avoid any drafts that alter burner
ame patterns. Ceiling fans can
create drafts that alter burner
ame patterns. Altered burner
patterns can cause sooting.

www.desatech.com 117437-01D4
3. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not
use any phone in your building
• immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions
      

 
• in a recreational vehicle
• in windy or drafty areas where curtains



       
circumstances. Any parts removed for
servicing must be replaced prior to operat-

6. Turn fireplace off and let cool before
     
    

     
burners and circulating air passages
clean. More frequent cleaning may be
needed due to excessive lint and dust
    
Turn off the gas valve and pilot light before

SAFETy
Continued
Figure 1 - B-Vent Fireplace
PRODUCT
IDENTIFICATION
Top Louver Panel
Glass
Door
Assembly
Bottom
Louver
Panel
Junction Box
(Electronic
Ignition Only)
Control
Valve Ember Tray
Log Set
Nailing
Flange
4" B-Vent
Flue Collar
 -


repaired. See Cleaning and Maintenance
page 24.
 

-

only gas type indicated on nameplate.

electrically grounded in accordance with
       
   National Electric Code,
ANSI/NFPA 70, or the Canadian Electric
Code, CSA C22.1.

exposed to or under water. Immediately
      -
range for replacement of the unit.
-
ken or missing.
    
not use propane/LP fuel tank of less than
100 lb. (45 kg) capacity (propane/LP
units only).
15. Provide adequate clearances around air
openings.
LOCAL CODES

     
use the latest edition of The National Fuel
Gas Code ANSI Z223.1/NFPA 54*
the current CSA-B149.1 Installation Code
(Canada).
*Available from:

1430 Broadway


Batterymarch Park


www.desatech.com
117437-01D 5
PRODUCT FEATURES
These are a few facts that can help you un-
     

• The (V)CB36N(E) and (V)CB36P(E) series
     


installation.
• Models (V)CB36N and (V)CB36P are
equipped with a millivolt gas control system
that does not require electricity to operate.

without using matches or lighters.
• Models (V)CB36N(E) and (V)CB36P(E)
are equipped with an electronic ignition
system that requires 120 VAC to operate.
An electrode ignitor automatically lights the

 
4" B-Type venting system and must be
terminated vertically through the roof using
Through exterior wall
enclosed in a chase
Corner
Installation
Flush with a wall
Figure 2 - Common Fireplace Locations
25"
(63.5 cm)
36"
(91.4 cm)
36"
(91.4 cm)
Figure 3 - Fireplace Bottom Dimensions
a listed type vent cap only. See venting
instructions starting on page 8 for proper
venting requirements.
 
for combustion and must be installed in a

fresh air for safe and proper operation. The
room intended for installation must be of
     

National Fuel Gas Code, ANSI Z223.1/
NFPA 54, Air for Combustion and Ventila-
tion
available a makeup air kit model AK4 may
be required to provide outside air to this
appliance. Check your local codes as to

 
of the house provided all local codes and
these installation instructions are followed.
PRE-INSTALLATION PREPARATION
LOCATION AND SPACE
REqUIREMENTS
-

      
studs are not in the way of the venting system.
Choose a location where the heat output is

windows or doors. Figure 2 shows some com-
mon locations. Be aware of all restrictions and
precautions before deciding the exact location


follow these rules:
 


 


• Proper clearances must be maintained.
 
-

metal or wood panel extending the full width

 
LLC shall be used in the installation of this
Accessories
• Do not install aftermarket vent dampers.
Manual or automatic vent dampers are not
approved for use with this appliance.

www.desatech.com 117437-01D6
        

material can be placed directly against any


Clear-
ances.
 

an already existing framing member.
• A hearth extension is not required with

aesthetic purposes only and does not have
to meet standard requirements for hearth
extensions.
• If you plan on installing a television or
entertainment center recessed above your
-
tain a minimum 18" (45.7 cm) above the top
of louver opening.
 -
portant to observe the minimum vent height

Venting Installation Instructions
• Do not recess termination cap into a wall
or siding.
• You may paint the termination cap with 450°
F (232° C) heat resistant paint to coordinate

PACKAGING AND REMOVAL

are packaged with the following items:
• one box containing a 4 piece log set located

• one bag containing the owner’s manual
   

• one bag of glowing ember material.
• one bag of vermiculite hearth treatments.
1. Remove shrink wrap securing 2 carton
trays to unit.
2. Lift top carton tray off and remove four
corner posts.
3. Discard bottom tray once unit is moved
into position.
Note: To prevent damage to ceramic logs and
glass panels you may want to remove them
before positioning and framing the unit. To
access rebox, see Louver Panels and Glass
Door, page 17.
PRE-INSTALLATION PREPARATION
Continued
CLEARANCES
Minimum clearances to combustibles for

 0" (0 mm)
Perpendicular walls 10" (25.4 cm)
Ceiling to Louver & Front 36" (91.4 cm)
B-Vent Surfaces 1" (26 mm) (See venting

on vent clearances.)
Mantel Clearances (See Mantel Clearances,
-
ances to combustible
mantels.)
Combustible material with a maximum thick-


FRAMING AND FINISHING


corner installation. All minimum clearances
must be met.
     -

7 on page 7.
     
see Accessories


clearances. You can install a noncombustible
mantel at any height above the fireplace
opening.
Note: Noncombustible mantels may discolor!
Figure 4 - Unpacking Fireplace
Carton
Tray
Glass
Panel
Log
Carton
Corner
Post

www.desatech.com
117437-01D 7
Figure 5 - Framing Clearances for Flush
Wall Installation
36"
(91.4 cm)
36 1/4"
(92.1 cm) 14 3/4"
(37.5 cm)
Figure 6 - Framing Clearances for Corner
Installation
28 5/8"
(72.7 cm)
21" (53.3 cm)
To Center of
Top Vent
14 3/4"
(37.5 cm)
14 3/4" (37.5 cm)
to Nailing
Flanges
56 3/4"
(144 cm)
12 1/4"
(31 cm)
to Opening
PRE-INSTALLATION PREPARATION
Continued
Figure 7 - Unit Dimensions
14 3/4" (37.5 cm)
to Nailing Flanges
7 7/8" (20 cm) to
Center of 4" B-Vent
5 7/8"
(15 cm) to
Nailing
Flange
36 1/4" (92.1 cm)
to Nailing Flange
36 1/4" (92.1 cm)
Face Dimensions
1 1/2" (3.8 cm)
2 1/2" (6.4 cm)
6" (15.2 cm)
5/8"
(16 mm)
11 1/8"
(28.3 cm)
Air Kit Location
1 1/4"
(3.2 cm)
2"
(5.1 cm)
38"
(96.5 cm)
15 3/8"
(39 cm)
36" (91.4 cm)
Face Dimensions
37" (94 cm)
to Nailing Flange
35 3/4"
(90.8 cm)
4 1/2" (11.4 cm) Electrical Inlet
36 3/4" (93.4 cm)
Wall Switch
Wireway Wall Switch
Wireway
8" (20.3 cm)
Gas Supply
Inlet
**These dimensions allow for 1" clearance at

is also permitted at all sides when framed.
**

www.desatech.com 117437-01D8
Figure 9 - Clearances for Combustible
Mantels
Figure 8 - Side Clearances for
Combustible Mantels
PRE-INSTALLATION PREPARATION
Continued
1 1/2"
(3.8 cm) 3 1/2"
(8.9
cm)
Outer
Surround
Combustible
Material May
Be Used
Perpendicular
Side Wall
5 1/4"
(13.3 cm)
1 3/4"
(4.4 cm)
To Fireplace
Opening
10" (25.4 cm)
33°
Safe
Zone
Ref. Mantel Depth Ref.
Mantel from
Top of Louver
Opening
1 16" (40.6 cm) A 18" (45.7 cm)
2 14" (35.6 cm) B 16" (40.6 cm)
3 12" (30.5 cm) C 14" (35.6 cm)
4 10" (25.4 cm) D 12" (30.5 cm)
5 8" (20.3 cm) E 10" (25.4 cm)
6 4" (10.2 cm) F 8" (20.3 cm)
7 2" (5.1 cm) G 6" (15.2 cm)
C
B
A
DE
FG
Top of Louver
Opening
3
2
1
4
5
6
7
Stud Wall
4" B-Vent
Flue Pipe
2 x 4 Header
at 1" Min.
Clearance
MANTEL CLEARANCES
      
various heights above top of louver opening.

distances from various mantel components in

WARNING: When nishing
appliance do not overlap com-
bustible materials onto the black
front face. Brick, tile or other
noncombustible materials may be
applied to the face provided that
any replace openings are not
blocked and gaps in the material
used and the face are sealed with
a noncombustible caulking.

www.desatech.com
117437-01D 9
INSTALLATION PRECAUTIONS
NOTICE:Failuretofollowthesein-
structions will void the warranty.
• Wear gloves and safety glasses for
protection
 
or when on roof tops
• Be aware of electrical wiring locations in
walls and ceilings
The following actions will void the warranty
on this product:
• Installation of any damaged venting
component
     
system (Do not cut or alter vent compo-
nents)
• Installation of any component part not
manufactured or approved by DESA Heat-

• Installation other than as instructed by
these instructions
WARNING: Read all instruc-
tions completely and thoroughly
before attempting installation.
Failure to do so could result in
serious injury, property damage
or loss of life.
WARNING: B-type vent pipe
airspace clearance to combus-
tibles is 1" on all sides. Where
the vent pipe passes through a
vertical wall a listed thimble ap-
proved for use with B-type vent
must be used.
VENTING INSTALLATION
A 4" B-type venting system must be connected
to the appliance for venting to the outside of
the building.
The following section is provided as a guide to
install a standard B-type vent installation.
Standing code requirements concerning
B-type vent installations may vary within
-

check with your local building code authority
      
       -
rent National Fuel Gas Code NFPA 54/ANSI
Z223.1 or in Canada with CAN/CSA B149
for Category I systems using double wall
B-1 vent pipe.
This gas appliance must be vented to the
outdoors only and may not be terminated into

a solid fuel burning appliance.
This appliance may be vented through a
manufactured chimney liner system if all are

and/or building authorities.

are typical of most B-vent installations and
code practices.
WARNING: This gas replace
and vent assembly must be vented
directly to the outside. The venting
system must NEVER be attached
to a chimney serving a separate
solid fuel burning appliance.
Example 1: Shows the minimum allowable sys-
tem height and lateral offset for a 60° or greater

-
low the 75% rule for lateral to total vertical sys-
tem height. Codes also allows only one offset
in the total system when at 60° or greater. The
total vertical height in this example represents
the minimum height of 8 feet and therefore the
allowable lateral is 6 feet when the 75% rule
applies. If the lateral length must exceed 75%

with the Category I venting tables.
Example 2: Shows multiple offsets each at
45° of inclination. Multiple offsets are permit-
ted if they do not exceed 45° of inclination.
The total lengths of the two offsets are not
required to meet the 75% rule.
Example 3: Shows a single offset at 45° of
inclination and therefore the lateral length at 10
feet of offset does not have to meet the 75%
allowable rule.

www.desatech.com 117437-01D10
In each case the offsets must be supported
     
-

must terminate vertically into a listed type vent
      

thimble. At all points the listed clearances
must be maintained.
Vent terminations must be located in accor-
dance with height and proximity rules of NFPA
No. 54 or CAN/CSA B149. These rules apply
to vents at 12" diameter or less and require a
minimum height in accordance with the roof
pitch and a minimum of 8 foot distance from a
vertical wall or obstruction (see Figure 11).
-

for use with B-type vent must be used. Check
with your local codes before venting through
a side wall.
Some codes areas allow the use of existing B-
type vent systems if the system is at or above


B-type connectors and the existing system
must be code inspected for damage and proper
installation.
It is not recommended that this appliance be
common vented with and existing gas burning

to common vent the appliance. The venting
-
cordance with the common venting guides
Appendix G of the current National Fuel
Gas Code NFPA No. 54/ANSI Z223.1 and in
Canada with CAN/CSA B149.
Note: Before connecting this appliance to an
existing vent system or a common venting
system consult with your local architect plan-
ner, or building ofcial.
VENTING INSTALLATION
Continued
Lowest
Discharge
Opening
Listed
Vent Cap
8 Ft. Min.
Roof Pitch x/12
Listed Clearance
12
x
Listed
Gas
Vent
H (Min)
Height
From Roof
Figure 11 - B-Vent Termination
Roof Pitch H (Min.)
Flat to 6/12 1.0 ft (0.3 m)
6/12 to 7/12 1.25 ft (0.38 m)
Over 7/12 to 8/12 1.5 ft (0.46 m)
Over 8/12 to 9/12 2.0 ft (0.61 m)
Over 9/12 to 10/12 2.5 ft (0.76 m)
Over 10/12 to 11/12 3.25 ft (0.99 m)
Over 11/12 to 12/12 4.0 ft (1.22 m)
Over 12/12 to 14/12 5.0 ft (1.52 m)
Over 14/12 to 16/12 6.0 ft (1.83 m)
Over 16/12 to 18/12 7.0 ft (2.13 m)
Over 18/12 to 20/12 7.5 ft (2.27 m)
Over 20/12 to 21/12 8.0 ft (2.44 m)
Figure 10 - Typical B-Vent Conguration
Maintain
Listed
Clearance
Maintain
Listed
Clearance
12' Min.
12' Min. 45°
45
6'
8'
12' Min.
60 45
Position
Firestop
Position
Firestop
Position
Firestop
Listed
Vent Cap
Listed
Vent Cap
Listed
Vent Cap
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Support Each
Lateral At
Least Every
6 Feet
Maintain
Listed
Clearance
10'
EXAMPLE 3EXAMPLE 2
EXAMPLE 1